indubitable

• According to my Jansenists the matter was indubitable, but according to my conscience it appeared quite the contrary: terrified and floating in this cruel uncertainty, I had recourse to the most laughable expedient to resolve my doubts, for which I would willingly shut up any man as a lunatic should I see him practise the same folly. —  The Confessions of J. J. Rousseau, Entire
• Will he not discover through the whole of them a servile acquiescence in the opinions and discoveries of one man, however at variance they may be with truth or probability; and if he enter upon the discussion with his mind free from prejudice, will he not experience that an outrage has been committed upon his reason, in calling upon him to give assent to positions and principles which at best are merely assumed, but to which he is called upon dogmatically to subscribe his acquiescence as the indubitable results of experience, skill and ability? —  Langstroth on the Hive and the Honey-Bee A Bee Keeper's Manual
• He had been able to repress every disrespectful word; but the flashing eye, the gloomy and troubled brow, were part of a natural language that could not be repressed--indubitable signs, which shewed too plainly that the man could not become a thing It was during the happy period of his employment in the factory that George had seen and married his wife. —  Chambers's Edinburgh Journal, No. 453 Volume 18, New Series, September 4, 1852
• There were peaches and pears, canned in Japan, and served right from the tin; there were little pink frosted cakes made in times prehistoric, to judge from their mustiness, and carefully packed away in glass jars for just such great occasions; there was good guava jelly and a Muscatelle that breathed of sunny vineyards in Spain--indubitable evidence of better days The house was so bare and shabby that this gastronomic outlay seemed an unwarrantable expense, yet what could one do but accept their hospitality in the same generous spirit in which it was offered? —  A Woman's Journey through the Philippines On a Cable Ship that Linked Together the Strange Lands Seen En Route
• For it is tolerably certain that some such leveling down as then commenced was needed to bring the constituent States of Italy into accord; and it is indubitable, as I have had occasion to point out, that the political force which eventually introduced Italy into the European system of federated nations, was determined in its character, if not created, then. —  Renaissance in Italy, Volumes 1 and 2 The Catholic Reaction

Roget's II: The New Thesaurus

Used in the Same Context